Home / 779,689.27-1,076,064.56-473,815.63

Finding the Fourth Proportional to 779,689.27, 1,076,064.56 and 473,815.63

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Solution

The fourth proportional to 779,689.27, 1,076,064.56 and 473,815.63 is: 653,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,689.27 : 1,076,064.56 = 473,815.63 : x
  2. Step 2: Convert to fraction form
    779,689.27/1,076,064.56 = 473,815.63/x
  3. Step 3: Cross multiply
    779,689.27x = 1,076,064.56 × 473,815.63
  4. Step 4: Simplify right side
    779,689.27x = 509,856,207,417.07
  5. Step 5: Solve for x
    x = 509,856,207,417.07/779,689.27
  6. Step 6: Final answer
    x = 653,922.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.